Bug 33478: Apply formatting to RECEIPT

Bug 33478: Apply formatting to RECEIPT

To test:

1. Enable EnablePointOfSale and UseCashRegisters system preferences in Koha Administration -> Global system preferences
2. Go to Koha Administration -> Cash registers and add a new cash register
3. Go to Koha Administration -> Debit types and add a new debit type. Make sure you check the 'can be sold' option
4. Go to Point of sale
5. Select Add for your item under Items for purchase
6. Fill in Collect payment box and click Confirm
7. When payment is received, click Print receipt
8. Confirm your format settings for RECEIPT are applied

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>